A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
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Turkey Classification: Nuts of iron or steel
NSN 5855-01-191-3404
NSN 5990-01-215-0590
NSN 6220-00-342-1086
NSN 6130-01-634-0603
NSN 5915-00-929-5248
NSN 5950-01-461-7010
NSN 5855-01-133-3587
NSN 5945-00-116-1113
NSN 6150-01-152-2650
NSN 2925-01-157-9204
NSN 6135-00-519-1325
NSN 5990-01-148-5326